TY  - BOOK
AU  - Teo,Saw Choo
TI  - Progress: an English proficiency workbook 
SN  - 9679339459
PY  - 1987///
CY  - Petaling Jaya
PB  - Penerbit Fajar Bakti
KW  - English language
KW  - Study and teaching (Secondary)
ER  -